Compare phones
| Global Score | |
| 76.7 | 83.2 |
| Basic Information | |
| Xiaomi | Asus |
| Android 11 | Android 12 |
| 2021-05-27 | 2022-09-19 |
| 6.23 x 2.96 x 0.33 inches | 6.81 x 3.03 x 0.41 inches |
| 6.70 ounces | 8.43 ounces |
| Moonlight White, Neptune Blue and Space Black, | Space Gray |
| Glass and Plastic | -- |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| Display / Screen | |
| 6.3 inches | 6.8 inches |
| 2340 x 1080 pixels | 2448 x 1080 pixels |
| IPS LCD | AMOLED |
| 409 pixels per inch | 393 pixels per inch |
| -- | 1200 cd/m2 brightness |
| No touch screen | No touch screen |
| 8.1 | 8.9 |
| Performance | |
| MediaTek Helio G85 MT6769Z chipset | MediaTek Dimensity 9000+ (4 nm) chipset |
| Cortex-A75, 64-bit, 12 nm (Octa-Core 2000 MHz) processor | processor |
| 4 GB RAM | 16 GB RAM |
| Mali G52 MC2 GPU | Mali-G710 MC10 GPU |
| 9.09 | 6.3 |
| Storage | |
| 64 GB internal memory | 512 GB internal memory |
| microSDXC (up to 128 GB) external memory slot | No SD card slot |
| 10.02 | 17.6 |
| Camera | |
| 48.00 MP + 13.00 MP | 50.00 MP + 12.00 MP |
| f/1.80 aperture | f/1.90 aperture |
| 0.5 inches (1/2") sensor | 0.64 inches (1/1.56") sensor |
| 1920 x 1080 (30 fps) (Full HD) video resolution | 7680 x 4320 (24 fps) video resolution |
| 1280 x 720 (120 fps) (HD) slow motion video | 1920 x 1080 (240 fps) (Full HD) slow motion video |
| 11 | 12.43 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSPA | 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G) and HSDPA |
| Nano SIM | Nano SIM |
| 6.6 | 10.6 |
| Battery Life | |
| 4000mAh Li - Polymer Battery | 6000mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| 5.92 | 7.52 |
| Other Features | |
| Bluetooth 5.2 | Bluetooth 5.3 |
| GPS | GPS |
| -- | NFC |
| Infra-red port | -- |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
Comparison review
Asus ROG Phone 6D Ultimate has an overall score of 83.2, which is slightly better than the Xiaomi Redmi Note 8 2021's 76.7 overall score. These phones come with Android operating system, but the Asus ROG Phone 6D Ultimate has a more recent 12 version and Xiaomi Redmi Note 8 2021 has Android 11, providing some nice extra features and some performance improvements. Asus ROG Phone 6D Ultimate's design is newer, but somewhat thicker and much heavier than Xiaomi Redmi Note 8 2021.
Xiaomi Redmi Note 8 2021 has a much powerful processor than Asus ROG Phone 6D Ultimate, although it has 12 GB lesser RAM memory, they both have 8 processing cores. The Asus ROG Phone 6D Ultimate features a little bit better screen than Xiaomi Redmi Note 8 2021, because although it has a just a bit worse display density, it also counts with a quite better resolution of 1080 x 2448 pixels and a bit bigger screen.
The Asus ROG Phone 6D Ultimate takes much clearer photographs and videos than Xiaomi Redmi Note 8 2021, because although it has a smaller aperture which is not good for low-light photography, it also counts with a lot better video resolution, a higher resolution camera in the back and a much bigger sensor taking way better quality videos and photos.
The Asus ROG Phone 6D Ultimate counts with much more memory for applications and games than Xiaomi Redmi Note 8 2021, because although it has no SD memory card expansion slot, it also counts with 448 GB more internal storage. Asus ROG Phone 6D Ultimate has a much better battery duration than Xiaomi Redmi Note 8 2021, because it has 6000mAh of battery capacity against 4000mAh.
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